(19)

(11)

EP 3 646 322 A1

(12)

(43) Date of publication: 06.05.2020 Bulletin 2020/19 (21) Application number: 18734206.8 (22) Date of filing: 26.06.2018

(51) International Patent Classification (IPC):  G11B 27/031(2006.01) G11B 27/10(2006.01) G10H 1/36(2006.01) G11B 27/28(2006.01) G10L 21/00(2013.01) (86) International application number: PCT/EP2018/067021 (87) International publication number: WO 2019/002241 (03.01.2019 Gazette 2019/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 29.06.2017 ES 201730860 01.09.2017 EP 17189084 11.09.2017 US 201762556580 P (71) Applicant: Dolby International AB 1101 CN Amsterdam Zuid-Oost (NL)	(72) Inventor: MATEOS SOLÉ, Antonio 08018 Barcelona Barcelona (ES) (74) Representative: Dolby International AB Patent Group Europe  Apollo Building, 3E Herikerbergweg 1-35 1101 CN Amsterdam Zuidoost 1101 CN Amsterdam Zuidoost (NL)